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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-05-16 12:20:55 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-07-01 14:15:48 +0100
commitdc8d5f8de12146c8732d926a30e5f064d76061e0 (patch)
treea44e7117da81c14d86fda0aefca77c8b9a7537d7 /include/linux/amba
parent800d683e6b8f0ba630470a56b61ff6742ad129ad (diff)
downloadvexpress-lsk-dc8d5f8de12146c8732d926a30e5f064d76061e0.tar.gz
dmaengine: PL08x: get rid of unnecessary checks in dma_slave_config
Get rid of the unnecessary checks in dma_slave_config utilizing the DMA direction. This allows us to move the computation of cctl to the prepare function. Acked-by: Linus Walleij <linus.walleij@linaro.org> Tested-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/linux/amba')
-rw-r--r--include/linux/amba/pl08x.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/amba/pl08x.h b/include/linux/amba/pl08x.h
index 158ce2634b0..2a5f64a11b7 100644
--- a/include/linux/amba/pl08x.h
+++ b/include/linux/amba/pl08x.h
@@ -47,7 +47,8 @@ enum {
* devices with static assignments
* @muxval: a number usually used to poke into some mux regiser to
* mux in the signal to this channel
- * @cctl_opt: default options for the channel control register
+ * @cctl_memcpy: options for the channel control register for memcpy
+ * *** not used for slave channels ***
* @addr: source/target address in physical memory for this DMA channel,
* can be the address of a FIFO register for burst requests for example.
* This can be left undefined if the PrimeCell API is used for configuring
@@ -62,7 +63,7 @@ struct pl08x_channel_data {
int min_signal;
int max_signal;
u32 muxval;
- u32 cctl;
+ u32 cctl_memcpy;
dma_addr_t addr;
bool single;
u8 periph_buses;